answer these four please

Chapter 21 11) Select cost information for Klondike Corporation is as follows: 1,000 units of output Total Cost/Unit $ 4,000 $ 4.00 $ 2,000 $ 2.00 2,000 units of output Total Cost/Unit $ 8,000 $ 4.00 $ 2,000 $ 1.00 Direct materials Rent expense Based on this information: A) Both direct materials and rent expense are variable costs. B) Direct materials is a fixed cost and rent expense is a variable cost. C) Both direct materials and rent expense are fixed costs. D) Direct materials is a variable cost and rent expense is a fixed cost. E) Both direct materials and rent expense are mixed costs. 12) Use the following information to determine the margin of safety in dollars: Unit sales Dollar sales Fixed costs Variable costs 50,000 Units $ 500,000 $ 204,000 $ 187,500 A) $88,500 B) $108,500. C) $173,600. D) $326,400. E) $500,000. 13) Use the following information to determine the break-even point in sales dollars: Unit sales Dollar sales Fixed costs Variable costs 50,000 Units $ 500,000 $ 204,000 $ 187,500 A) $88,500 B) $108,500 C) $173,600 D) $326,400. E) $500,000 14) The following information is available for a company's utility cost for operating its machines over the last four months. Month January February March April Machine hours 900 1,800 2,400 600 Utility cost $ 5,450 $ 6,900 $ 8,100 $ 3,600 Using the high-low method, the estimated variable cost per machine hour for utilities is: A) $3.38. B) $6.00 C) $2.50. D) $4.22. E) $6.17. utility cost for operating its machines